Blurb::
Set the initial population size in JEGA methods
Description::
The number of designs in the initial population is specified by the \c
population_size.  Note that the \c population_size only sets the size
of the initial population.  The population size may vary in the JEGA
methods according to the type of operators chosen for a particular
optimization run.

Also note that some initializers may not strictly respect the initial
population size.  See the SOGA \ref
method-soga-initialization_type-flat_file or MOGA \ref
method-moga-initialization_type-flat_file initializer for an example.

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